Factors and Multiples

Which of the following is a factor of 12? Select all that apply.

• 12

• 2

• 24

• 3

Select all of the multiples of 8.

• 2

• 8

• 32

• 4

Select all of the prime numbers.

• 3

• 9

• 29

• 2

Select all of the composite numbers.

• 12

• 16

• 3

• 7

What are the factors of 15?

• 1, 2, 3, 5, 15

• 1, 3, 5, 15

• 1, 2, 3, 4, 5

• 1, 5, 10, 15

What are the factors of 24?

• 1, 2, 3, 4, 5, 6, 7, 8, 24

• 1, 3, 4, 6, 8, 10, 24

• 1, 2, 3, 4, 6, 8, 12, 24

• 1, 2, 4, 8, 12, 24

What are the first five multiples of 3?

• 6, 9, 15, 18, 21

• 3, 6, 9, 12, 18

• 3, 6, 9, 15, 18

• 3, 6, 9, 12, 15

Which one of the numbers below is prime numbers?

• 15

• 17

• 16

• 12

What are the first six multiples of 7?

• 14, 35, 21, 28, 42

• 7, 28, 42, 35, 63

• 7, 14, 28, 35, 42, 56

• 7, 14, 21, 28, 35, 42

Which number is neither a prime nor a composite number ?

• 1

• 3

• 5

• 7